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Finding the Fourth Proportional to 73,813.29, 101,858.58 and 41,981.50

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Solution

The fourth proportional to 73,813.29, 101,858.58 and 41,981.50 is: 57,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,813.29 : 101,858.58 = 41,981.50 : x
  2. Step 2: Convert to fraction form
    73,813.29/101,858.58 = 41,981.50/x
  3. Step 3: Cross multiply
    73,813.29x = 101,858.58 × 41,981.50
  4. Step 4: Simplify right side
    73,813.29x = 4,276,175,976.27
  5. Step 5: Solve for x
    x = 4,276,175,976.27/73,813.29
  6. Step 6: Final answer
    x = 57,932.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.